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Area Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, selection and detection / Piezoelectric and dielectric resonators

IEV ref561-01-26

Symbol
M

en
figure of merit
value M indicating the activity of the resonators, and defined by the following equation:

M= Q s γ MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaaiaad2eacqGH9aqpdaWcaaqaaiaadgfadaWgaaWcbaGaam4CaaqabaaakeaacqaHZoWzaaaaaa@3ADF@

where

Qs is the quality factor,

γ is the capacitance ratio

Note 1 to entry: This entry was numbered 561-07-23 in IEC 60050-561:1991, Amendment 2:1997.


fr
facteur de mérite, m
valeur M indiquant l’activité des résonateurs, et définie par l’équation ci-dessous:

M= Q s γ MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaaiaad2eacqGH9aqpdaWcaaqaaiaadgfadaWgaaWcbaGaam4CaaqabaaakeaacqaHZoWzaaaaaa@3ADF@

Qs est le facteur de surtension,

γ est le rapport de capacité

Note 1 à l'article: Cet article était numéroté 561-07-23 dans l'IEC 60050-561:1991, Amendement 2:1997.


ar
رقم الجدارة

de
Parallelgütefaktor, m
Parallelgüte, f

es
figura de mérito

it
figura di merito

ko
성능 지수

ja
性能指数
M

pl
współczynnik aktywności, <rezonatora> m

pt
fator de mérito

zh
优值

Publication date: 2014-11
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